TREA

Robert M. Smith

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  • Copley, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hand vacuum cleaner
    • Patent number 4,918,781
    • Issue date Apr 24, 1990
    • Royal Appliance Mfg. Co.
    • John F. Sovis
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand vacuum cleaner
    • Patent number 4,891,861
    • Issue date Jan 9, 1990
    • Royal Appliance Mfg. Co.
    • John F. Sovis
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand vacuum cleaner
    • Patent number 4,791,699
    • Issue date Dec 20, 1988
    • Royal Appliance Manufacturing Co.
    • John F. Sovis
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand vacuum cleaner
    • Patent number 4,788,740
    • Issue date Dec 6, 1988
    • Royal Appliance Mfg. Co.
    • John F. Sovis
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand vacuum cleaner
    • Patent number 4,741,070
    • Issue date May 3, 1988
    • Royal Appliance Manufacturing Co.
    • John F. Sovis
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand vacuum cleaner
    • Patent number 4,730,362
    • Issue date Mar 15, 1988
    • Royal Appliance Manufacturing Co.
    • John F. Sovis
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand vacuum cleaner
    • Patent number 4,633,543
    • Issue date Jan 6, 1987
    • Royal Appliance Mfg. Co.
    • John F. Sovis
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...